The performance of PET film-film supplier
The main raw material of PET film is LLDPE. The material is relatively soft and has a certain degree of stretchability. The general thickness is 0.0mm-0.15mm. According to the requirements of use, its viscosity ranges from 5G-500G (different domestic and foreign viscosities, for example, 200 grams of Korean film is equivalent to about 80 grams of China). There are electrostatic films, anilox films, etc. under the PE protective film project. (1) General performance PET film is milky white translucent or colorless and transparent, with a relative density of 1.38 and a light transmittance of 90%. PET is a medium barrier material with a transmission coefficient of 50～90cm3·mm/(m2). ·D·MPa), the permeability coefficient to CO2 is 180cm3·mm/(m2·d·MPa), the water absorption rate of PET is 0.6%, and the water absorption is relatively large. (2) Mechanical properties PET film has a high tensile strength, comparable to aluminum foil, 9 times that of HDPE film, and 3 times that of PC and PA films. The enhanced PET film has low creep and excellent fatigue resistance (better than Strengthen PC and PA), good abrasion resistance and friction resistance. The mechanical properties of PET are less affected by temperature. (3) Thermal properties. Pure PET film has low heat resistance, but it is greatly improved after reinforcement. The mechanical properties at 180°C are better than PF laminates. It is the heat-resistant variety of reinforced thermoplastic engineering plastics. PET has good heat aging resistance, the embrittlement temperature is -70℃, and it still has a certain degree of toughness at -30℃. PET is not easy to burn, and the flame is yellow with dripping. (4) Electrical properties Although PET is a polar polymer, it has excellent electrical insulation and can still be maintained at high frequencies. PET has poor corona resistance and cannot be used for high-voltage insulation; electrical insulation is affected by temperature and The influence of humidity, and the influence of humidity is greater. (5) Environmental performance PET film contains ester bonds, and is not resistant to water, acid, and alkali under high temperature and water vapor conditions. PET is resistant to organic solvents such as acetone, benzene, toluene, trichloroethane, carbon tetrachloride and carbon tetrachloride. The oil is stable and has high resistance to some oxidants such as hydrogen peroxide, sodium hypochlorite and potassium dichromate. Is a company specializing in the production of PET film with multiple functions, such as: transparent PET film, milky white PET film, release PET film, supply of PET motor film, etc. With a wide variety of products, affordable prices, and environmental protection, we provide customers with excellent quality and service based on the service tenet of excellence in production, honesty and trustworthiness in distribution, and warm and thoughtful service. Interested parties welcome to inquire!